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  1. Comparative anatomy of the filz-like hair-covering of leaf-organs ...
    By: Gregory, Emily L.
    Publication info: Zürich,Printed by Zürcher and Furrer,1886.
    Holding Institution: Smithsonian Libraries
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  2. Elements of plant anatomy;
    By: Gregory, Emily L.
    Publication info: Boston,Ginn & Co.,1895.
    Holding Institution: MBLWHOI Library
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